Home / 3,922.22-5,406.45-3,844.46

Finding the Fourth Proportional to 3,922.22, 5,406.45 and 3,844.46

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Solution

The fourth proportional to 3,922.22, 5,406.45 and 3,844.46 is: 5,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.22 : 5,406.45 = 3,844.46 : x
  2. Step 2: Convert to fraction form
    3,922.22/5,406.45 = 3,844.46/x
  3. Step 3: Cross multiply
    3,922.22x = 5,406.45 × 3,844.46
  4. Step 4: Simplify right side
    3,922.22x = 20,784,879.87
  5. Step 5: Solve for x
    x = 20,784,879.87/3,922.22
  6. Step 6: Final answer
    x = 5,299.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.